Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 174
will require blue rays,others blue-green, and in some few casesit is found to be legitimate to actuallyadd yellow rays owing to the fact thatpigments are sometimes dimmed bytime. Some of Turners atmosphericpaintings and those of Inness wereespecially enhanced by treating themconservatively with… … Fig. 3.—Hoffmans Christ in Gethsemane illuminated by combination of white and greenish-blue light. effects produced by thus adding theproper rays to the ordinary artificial lightcannot well be illustrated by means ofphotographs. A beautiful effect was * (London Illuminating Engineer, July…
Lighting
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